1/2Pcs Lumbar Spine/Cervical Spine/Knee Joint Pain Relief Patch Herbal Self-heating Knee Patch for Pain Relief Product Information 1.This pain relief patch provides constant heat for 12 hours, relieves fatigue and pain, promotes blood circulation and is effective for rheumatoid arthritis, osteoarthritis, knee pain, tendonitis, stretching and sprains, sciatica and fibromyalgia. It is very effective against all types of pain related pain. 2.Our Lumbar Spine/Cervical Spine/Knee Joint relief patch is made of pure natural wormwood extract, a traditional and original Chinese herbal wormwood. Breathable fleece is comfortable on the skin and provides good breathability. Applied to multiple parts of the body, safe and effective, without side effects, ensures your health. 3.Calm the nerves, slowly relax and replenish combustion. Wormwood knee pads quickly relieve all kinds of knee pain and other related pain, promote blood circulation, alleviate inflammation and pain. Provides up to 12 hours of continuous warm comfort 4.Wormwood pain relief patches can relieve pain in various parts of the body, such as neck, shoulders, knees, ankles, etc. Arthritic hot packs are ideal for commuters, athletes, drivers and seniors. Net content: 12Pcs/bag Package includes:1/2Pcs x Pain Relief Patch Note: Due to the different monitor and lighting effect, the actual color of the item may be slightly different from the color shown on the pictures. Thanks for your support :)